AA vs RTNTF vs CENX Stock Comparison

Alcoa, Rio Tinto and Century Aluminum Prices as of Oct 29, 2026 Peers: Industry group
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AA Alcoa Corp
$39.88 -5.0% 1M +2.5% 1Y
Market cap
$10.21B
P/E
6.7x
Revenue (TTM)
$14.31B
Div. yield
0.01%
Aluminum Basic Materials
2 wins
RTNTF Rio Tinto Ltd
$102.86 -6.9% 1M +21.0% 1Y
Market cap
$167.04B
P/E
–
Revenue (TTM)
—
Div. yield
–
Iron Ore Basic Materials
3 wins
CENX Century Aluminum Co
$34.65 -4.3% 1M +20.7% 1Y
Market cap
$3.29B
P/E
5.5x
Revenue (TTM)
$2.67B
Div. yield
–
Aluminum Basic Materials
6 wins

Head to Head

11 decided of 12

Century Aluminum leads on 6 of the 12 questions below (Century Aluminum 6, Rio Tinto 3, Alcoa 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAARTNTFCENXLeader
Larger companyMarket capitalisation $10.21B $167.04B $3.29B RTNTF
Cheaper on earningsLower P/E, profitable companies only 6.7x — 5.5x CENX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 6.1x 12.4x 3.6x CENX
Faster revenue growthRevenue growth, trailing twelve months +11.2% — +9.7% AA
More profitableNet margin, trailing twelve months 10.7% — 22.6% CENX
Better return on capitalReturn on invested capital 22.4% — 34.5% CENX
Less leveragedLower net debt / EBITDA 0.1x — 0.2x AA
Higher dividend yieldTrailing dividend yield 0.01% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +2.5% +21.0% +20.7% RTNTF
Better 5-year returnAnnualised price return, 5 years -2.8%/yr +8.8%/yr +21.3%/yr CENX
Less volatileAnnualised volatility, 1 year 53.5% 45.3% 63.1% RTNTF
Higher overall scoreMean of the five percentile scores vs peers 69/100 — 72/100 CENX

Percentile Scorecard

AARTNTFCENX

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisAARTNTFCENX
Valuation 96 #7 of 163 – 87 #22 of 163
Growth 77 #35 of 148 – 96 #7 of 148
Profitability 66 #42 of 123 – 70 #38 of 123
Financial Health 29 #117 of 164 26 #122 of 164 35 #107 of 164
Shareholder Returns 79 #24 of 108 – –
Overall 69 – 72
  • AA ranked among 176 companies in Metals and Mining
  • RTNTF ranked among 176 companies in Metals and Mining
  • CENX ranked among 176 companies in Metals and Mining

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodAARTNTFCENXSPY
1 month -5.0%-6.9%-4.3% +0.7%
3 months -11.3%-6.0%-22.8% +3.7%
6 months -37.5%-11.5%-41.7% +7.1%
Year to date -25.0%+4.0%-11.6% +12.8%
1 year +2.5%+21.0%+20.7% +11.9%
3 years +57.5%+40.5%+414.9% +85.2%
3 years, per year +16.4%+12.0%+72.7% +22.8%
5 years -13.2%+52.1%+162.3% +67.6%
5 years, per year -2.8%+8.8%+21.3% +10.9%
10 years +75.5%+153.8%+372.1% +262.0%
10 years, per year +5.8%+9.8%+16.8% +13.7%

Risk

MeasureAARTNTFCENXSPY
Volatility, 1Y 53.5%45.3%63.1% 12.7%
Downside volatility, 1Y 53.5%66.0%64.6% 12.6%
Beta vs S&P 500, 1Y 1.630.891.49 1.00
Return / volatility, 1Y 0.050.460.33 0.94
Max drawdown, 5Y -76.3%-41.4%-82.1% -25.4%
From 52-week high -52.4%-22.9%-49.6% -1.2%
52-week high $83.79$133.44$68.77 $779.14
52-week low $35.26$81.39$26.19 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleAARTNTFCENX
P/E now vs peer median 6.9xmedian 13.2x —median 13.2x 5.7xmedian 13.2x
P/S now vs peer median 0.7xmedian 3.1x —median 3.1x 1.3xmedian 3.1x
EV/EBITDA now vs peer median 3.2xmedian 7.2x —median 7.2x 4.7xmedian 7.2x
P/FCF now vs peer median 11.8xmedian 15.2x —median 15.2x 22.7xmedian 15.2x
P/B now vs peer median 1.3xmedian 2.2x 2.3xmedian 2.2x 2.2xmedian 2.2x
PEG now vs peer median 0.15median 0.30 —median 0.30 0.06median 0.30

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsAARTNTFCENX
Revenue $14.31B – $2.67B
Gross profit $3.14B – $503.90M
Operating income $2.73B – $674.50M
Net income $1.51B – $603.50M
Free cash flow $890.00M – $151.20M
R&D $18.00M – –
EPS (diluted) $5.74 – $5.75
Cash & equivalents $4.41B $8.91B $343.40M
Total debt $4.82B $78.67B $480.00M
Shares (diluted) 266.00M 1.64B 104.80M
Enterprise value $1.50B $136.08B $2.41B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricAARTNTFCENX
P/E 6.9x – 5.7x
P/FCF 11.8x – 22.7x
P/Operating cash flow 6.5x – 10.1x
P/S 0.7x – 1.3x
P/B 1.3x 2.3x 2.2x
P/Tangible book 1.3x 2.5x 2.2x
EV/EBITDA 3.2x – 4.7x
EV/EBIT 4.0x – 5.3x
EV/Revenue 0.8x – 1.3x
EV/FCF 12.3x – 23.6x
EV/Operating cash flow 6.8x – 10.5x
PEG (3Y EPS CAGR) 0.15 – 0.06

Growth

14 metrics
MetricAARTNTFCENX
Revenue growth (1Y) 11.2% – 9.7%
Revenue CAGR (3Y) 10.5% – 5.1%
Gross profit growth (1Y) 32.5% – 127.9%
Gross profit CAGR (3Y) 70.3% – 580.4%
Operating income growth (1Y) 169.5% – 332.1%
Operating income CAGR (3Y) 144.7% – 142.3%
Net income growth (1Y) 34.9% – 446.2%
Net income CAGR (3Y) 52.7% – 100.1%
EPS growth (1Y) 30.8% – 382.7%
EPS CAGR (3Y) 46.5% – 95.8%
Operating cash flow growth (1Y) 51.4% – 478.6%
Operating cash flow CAGR (3Y) 426.9% – 112.8%
Free cash flow growth (1Y) 71.5% – 793.6%
Free cash flow CAGR (3Y) 55.6% – 49.0%

Profitability

14 metrics
MetricAARTNTFCENX
Gross margin 21.9% – 18.9%
EBITDA margin 23.7% – 28.4%
Operating margin 19.0% – 25.3%
Pretax margin 11.3% – 21.3%
Net margin 10.7% – 22.6%
FCF margin 6.2% – 5.7%
Operating cash flow margin 11.2% – 12.8%
Return on equity 19.3% – 40.3%
Return on assets 8.1% – 20.5%
Return on invested capital 22.4% – 34.5%
Return on capital employed 18.6% – 29.9%
Asset turnover 0.8x – 1.0x
Cash conversion (OCF / net income) 1.1x – 0.6x
Stock comp / revenue 0.4% – 2.0%

Financial Health

11 metrics
MetricAARTNTFCENX
Debt / assets 23.7% 16.3% 16.7%
Debt / equity 0.6x 0.3x 0.3x
Net debt / EBITDA 0.1x – 0.2x
Debt / FCF 5.4x – 3.2x
Liabilities / assets 59.5% 46.3% 46.6%
Equity / assets 40.5% 53.7% 53.4%
Interest coverage 21.1x – 15.1x
Current ratio 2.3x 1.4x 2.8x
Quick ratio 1.5x 0.9x 1.1x
Cash ratio 1.1x 0.6x 0.7x
Altman Z-score 2.04 – 3.10

Shareholder Returns

7 metrics
MetricAARTNTFCENX
Dividend yield 1.3% – –
Net buyback yield – – –
Shareholder yield 1.3% 0.0% 0.0%
Payout ratio (earnings) 7.0% – –
Payout ratio (FCF) 11.9% – –
Dividend growth (1Y) 1.9% – –
Dividend CAGR (3Y) 14.3% – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusAARTNTFCENX
Forward P/E 6.1xFY2026 12.4xFY2026 3.6xFY2026
EPS, next fiscal year $6.50FY2026 $8.30FY2026 $9.50FY2026
EPS growth, next FY +72.4%FY2026 +24.1%FY2026 +286.2%FY2026
EPS growth, the year after -11.4% -3.6% +23.7%
Revenue, next fiscal year $13.74BFY2026 $66.01BFY2026 $3.18BFY2026
Revenue growth, next FY +7.1%FY2026 +14.5%FY2026 +25.9%FY2026
Revenue growth, the year after +13.8% -4.1% +34.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAARTNTFCENX
Held by institutions 77.8% – 100.0%
Institutions holding 710 – 414
Change in shares held, QoQ +2.9% – +3.3%
Institutions buying 357 – 264
Institutions selling 243 – 110
Buyers to sellers 1.47 – 2.40

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

AARTNTFCENX
AA 1.00 0.13 0.73
RTNTF 0.13 1.00 0.15
CENX 0.73 0.15 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AA, RTNTF and CENX?

Rio Tinto (RTNTF) is the largest by market capitalisation: Alcoa (AA) $10.21B, Rio Tinto (RTNTF) $167.04B, Century Aluminum (CENX) $3.29B.

Which stock is cheaper, AA, RTNTF and CENX?

Century Aluminum (CENX) trades on the lowest price-to-earnings ratio (Alcoa (AA) 6.7x, Century Aluminum (CENX) 5.5x). On next year's consensus earnings, Century Aluminum (CENX) is cheapest (Alcoa (AA) 6.1x, Rio Tinto (RTNTF) 12.4x, Century Aluminum (CENX) 3.6x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Alcoa (AA) grew revenue fastest over the trailing twelve months: Alcoa (AA) +11.2%, Century Aluminum (CENX) +9.7%.

Which company is more profitable?

Century Aluminum (CENX) has the highest net margin (Alcoa (AA) 10.7%, Century Aluminum (CENX) 22.6%). On return on invested capital, Century Aluminum (CENX) leads (Alcoa (AA) 22.4%, Century Aluminum (CENX) 34.5%).

Which stock has performed better?

Over the past year Rio Tinto (RTNTF) returned the most: Alcoa (AA) +2.5%, Rio Tinto (RTNTF) +21.0%, Century Aluminum (CENX) +20.7%. Over five years, Century Aluminum (CENX) compounded fastest (Alcoa (AA) -2.8%/yr, Rio Tinto (RTNTF) +8.8%/yr, Century Aluminum (CENX) +21.3%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Alcoa (AA) 0.01%, Rio Tinto (RTNTF) 0.00%, Century Aluminum (CENX) 0.00%. Rio Tinto (RTNTF) and Century Aluminum (CENX) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Rio Tinto (RTNTF) has been the steadiest (Alcoa (AA) 53.5%, Rio Tinto (RTNTF) 45.3%, Century Aluminum (CENX) 63.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AA, RTNTF and CENX?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Century Aluminum (CENX) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.